Iron Maiden x 9
Queensryche x 5
Lightning Seeds x 2 <--
Judas Priest
Wannadies
Echo Freddy x 12 (Backstage at all of them, did the sound engineering on two of them)
Two Day Rule x 5 (Did the sound engineering on one of them, back stage at 2)
Therapy x 6 (Backstage at 2, went for a night out with the band as well on a seperate occasion)
Kittie x 3 (went out with the girls after the first one and Backstage at all 3)
Babes In Toyland
Red Vinyl Fur
Metallica
Halford
Korn
Fear Factory (Got backstage due to some clever cake bringing)
Offspring x 3
AFI
Sisters Of Mercy
Machinehead
Sugar Coma
Gary Moore
Bob Dylan
Eric Clapton
Spunge
Raging Speedhorn
Shadows Fall

and some more than I can't think of right now.